Dr. Tim Junio is the co-founder and CEO of Expanse, a San Francisco-based software company. He has over a decade of experience in cyber operations and large-scale distributed sensing. Prior to co-founding Expanse, he worked at DARPA, RAND Corporation, Office of the Secretary of Defense, and the CIA. In 2012, he moved to California for a postdoctoral fellow at Stanford University and remains an affiliate, occasionally lecturing and mentoring students on cybersecurity. Today, Expanse (previously named Qadium) has over 150 employees in Silicon Valley, New York, Atlanta, and Washington DC, and its software is deployed at many of the world's largest organizations, including all of the US military services and dozens of Fortune 500 companies. Dr. Junio holds a Ph.D. from the University of Pennsylvania, and Master's and Bachelor's degrees from Johns Hopkins University.